Pipe of a stand for supporting an instrument



FIG. 1 is a front view of a pipe of a stand for supporting an instrument showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof, the left side being a mirror image; and,

FIG. 4 is a top plan view thereof, the bottom being a mirror image. 

CLAIM The ornamental design for a pipe of a stand for supporting an instrument, as shown and described. 